The ITU Radiocommunication Assembly considering a) that considerable research and development has been done on Software Defined Radio (SDR) design; b) that SDRs may offer design and operational versatility and flexibility in mobile radio systems; c) that SDRs may facilitate spectrum efficiencies in complex mobile radio configurations; d) that SDRs offer intersystem interoperability in disaster and emergency situations; e) that SDRs may facilitate the regional and global harmonization of wireless communications; f) that SDRs may provide for improve manufacturing economies of scale; g) that SDR design can provide users with more operational features; h) that Recommendations on SDR design would be complementary to other ITU-R Recommendations on mobile telecommunications.